FVXX22 KWBC 250454 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0454 UTC 25 MAR 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-053 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...0000 UTC UPPER AIR SOUNDING FROM GUADELOUPE. . ERUPTION DETAILS: PYROCLASTIC FLOW BEGINNING AT 25/0430 UTC . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED THAT AN ERUPTION BEGAN AT 0430 UTC. ASH WAS ESTIMATED TO BE AT FL100 AS OF 0435 UTC. SATELLITE IMAGERY IS NOT AVAILABLE DUE TO THE SPRING ECLIPSE SEASON WHICH OCCURS DAILY AT THIS TIME THROUGH APRIL 12. SATELLITE IMAGERY WILL RESUME AT 0645 UTC. . TRAJECTORY: ASH AT FL100 WOULD MOVE TOWARDS THE EAST AT 20 KNOTS. ASH BELOW FL100 WOULD MOVE TOWARDS THE NORTHEAST AT 5 TO 10 KNOTS WHILE ANY ASH THAT MIGHT EXIST ABOVE FL100 WOULD MOVE NORTHEAST AT 20 TO 50 KNOTS. . OUTLOOK: SEE LATEST SIGMETS . THE NEXT STATEMENT WILL BE ISSUED BY 25/1100 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . TURK . NNNN